public async Task <IActionResult> CreateGroupAsync(ChatRoomVM chatRoomVM)
        {
            if (ModelState.IsValid)
            {
                Chat chat = await _chatManager.CreateRoom(chatRoomVM.Name);

                bool addUsersToGroup = await AddUsersToGroup(chatRoomVM.Users, chat);
            }

            ViewData["ApplicationUserId"] = new SelectList(_context.ApplicationUsers.OrderBy(u => u.Nume).ToList(), "Id", "Nume");
            return(PartialView("_AddChatRoom"));
        }